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The two buildings will be linked by tunnels and will connect to LANL's existing 30-year-old plutonium facility PF-4. [1] The facility is controversial both because of spiraling costs and because critics argue it will allow for expanded production of plutonium 'pits' and therefore could be used to manufacture new nuclear weapons.
Oct. 25—The deadline for a federal agency and a nationwide group of anti-nuclear organizations to agree on remedies in a lawsuit tied to plans for plutonium pit production has been extended ...
The pits of the first nuclear weapons were solid, with an urchin neutron initiator in their center. The Gadget and Fat Man used pits made of 6.2 kg of solid hot pressed plutonium-gallium alloy (at 400 °C and 200 MPa in steel dies – 750 °F and 29,000 psi) half-spheres of 9.2 cm (3.6 in) diameter, with a 2.5 cm (1 in) internal cavity for the initiator.
Sep. 15—Plutonium pit production facilities at the Savannah River Site have taken a step forward. Savannah River Nuclear Solutions, the manager and operator of the 310-square-mile site located ...
To reduce the concentration of Pu-240 in the plutonium produced, weapons program plutonium production reactors (e.g. B Reactor) irradiate the uranium for a far shorter time than is normal for a nuclear power reactor. More precisely, weapons-grade plutonium is obtained from uranium irradiated to a low burnup.
Apr. 22—The head of U.S. Strategic Command in rounds of congressional testimony this week described renewed plutonium pit production efforts as vital to the nation's nuclear arsenal and, as a ...
Feb. 19—Los Alamos National Laboratory reached what federal officials say is a key milestone in developing its first plutonium pit that can be placed in a nuclear warhead as it seeks to produce ...
Worker holding plutonium "button" in glove box Precision plutonium foundry mold, 1959 Room damaged by 1969 Rocky Flats Fire Control panel, Critical Mass Laboratory, 1970. The Rocky Flats Plant was a United States manufacturing complex that produced nuclear weapons parts in the western United States, near Denver, Colorado. [2]